Home / 2,985.48-4,114.14-2,240.28

Finding the Fourth Proportional to 2,985.48, 4,114.14 and 2,240.28

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Solution

The fourth proportional to 2,985.48, 4,114.14 and 2,240.28 is: 3,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.48 : 4,114.14 = 2,240.28 : x
  2. Step 2: Convert to fraction form
    2,985.48/4,114.14 = 2,240.28/x
  3. Step 3: Cross multiply
    2,985.48x = 4,114.14 × 2,240.28
  4. Step 4: Simplify right side
    2,985.48x = 9,216,825.56
  5. Step 5: Solve for x
    x = 9,216,825.56/2,985.48
  6. Step 6: Final answer
    x = 3,087.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.